Home / 825,575.38-1,139,292.05-458,108.35

Finding the Fourth Proportional to 825,575.38, 1,139,292.05 and 458,108.35

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Solution

The fourth proportional to 825,575.38, 1,139,292.05 and 458,108.35 is: 632,188.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,575.38 : 1,139,292.05 = 458,108.35 : x
  2. Step 2: Convert to fraction form
    825,575.38/1,139,292.05 = 458,108.35/x
  3. Step 3: Cross multiply
    825,575.38x = 1,139,292.05 × 458,108.35
  4. Step 4: Simplify right side
    825,575.38x = 521,919,196,054.85
  5. Step 5: Solve for x
    x = 521,919,196,054.85/825,575.38
  6. Step 6: Final answer
    x = 632,188.42

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.